The formation of substellar objects induced by the collision of protostellar disks

被引：30

作者：

Lin, DNC

Laughlin, G

Bodenheimer, P

Rózyczka, M

机构：

[1] Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA

[2] Univ Calif Santa Cruz, Lick Observ, Board Studies Astron & Astrophys, Santa Cruz, CA 95064 USA

[3] Nicholas Copernicus Astron Ctr, PL-00716 Warsaw, Poland

来源：

SCIENCE | 1998年 / 281卷 / 5385期

关键词：

D O I：

10.1126/science.281.5385.2025

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Simulations of a close encounter between two protostars, each surrounded by a relatively massive disk, resulted in the ejection of some of the disk material into a tidal tail. A portion of the tail condensed into an object with a mass in the range of 5 to 10 jovian masses. This mechanism may explain the existence of the single objects of substellar mass that have recently been discovered.

引用

收藏

页码：2025 / 2027

页数：3

相关论文

共 29 条

[1]

[Anonymous], STRUCTURE PROPERTIES

[2] FORMATION OF DWARF GALAXIES IN TIDAL TAILS [J].

BARNES, JE ;

HERNQUIST, L .

NATURE, 1992, 360 (6406) :715-717

[3] CALCULATIONS OF THE ACCRETION AND EVOLUTION OF GIANT PLANETS - THE EFFECTS OF SOLID CORES [J].

BODENHEIMER, P ;

POLLACK, JB .

ICARUS, 1986, 67 (03) :391-408

[4] CALCULATIONS OF THE EVOLUTION OF THE GIANT PLANETS [J].

BODENHEIMER, P ;

GROSSMAN, AS ;

DECAMPLI, WM ;

MARCY, G ;

POLLACK, JB .

ICARUS, 1980, 41 (02) :293-308

[5] FRAGMENTATION OF ELONGATED CYLINDRICAL CLOUD .4. CLOUDS WITH SOLID-BODY ROTATION ABOUT AN ARBITRARY AXIS [J].

BONNELL, I ;

ARCORAGI, JP ;

MARTEL, H ;

BASTIEN, P .

ASTROPHYSICAL JOURNAL, 1992, 400 (02) :579-594

[6] A nongray theory of extrasolar giant planets and brown dwarfs [J].

Burrows, A ;

Marley, M ;

Hubbard, WB ;

Lunine, JI ;

Guillot, T ;

Saumon, D ;

Freedman, R ;

Sudarsky, D ;

Sharp, C .

ASTROPHYSICAL JOURNAL, 1997, 491 (02) :856-875

[7] On a possible function of disruptive approach in the formation of meteorites, comets, and nebulae. [J].

Chamberlin, TC .

ASTROPHYSICAL JOURNAL, 1901, 14 (01) :17-40

[8] STAR DISK INTERACTIONS AND BINARY STAR FORMATION [J].

CLARKE, CJ ;

PRINGLE, JE .

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 1991, 249 (04) :584-587

[9] NEW PRE-MAIN-SEQUENCE TRACKS FOR M-LESS-THAN-OR-EQUAL-TO-2.5M-CIRCLE-DOT AS TESTS OF OPACITIES AND CONVECTION MODEL [J].

DANTONA, F ;

MAZZITELLI, I .

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES, 1994, 90 (01) :467-500

[10]

DEBUFFON GLL, 1745, FORMATION PLANETES